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0e1f616
(Get the code!)
I had the same problem with mine, where it was pegged at 2800Mhz. ("current policy: frequency should be within 2.80 GHz and 2.80 GHz.")
Try the following: For each of your processor cores:
Core 0:
sudo cpufreq-set -c 0 -d 800Mhz -u 2800Mhz
Core 1:
sudo cpufreq-set -c 1 -d 800Mhz -u 2800Mhz
etc., where 800Mhz is the lowest your CPU can go, and 2800Mhz is the highest, as reported by cpufreq-info.
In this example, this should make cpufreq-info display the following: "...current policy: frequency should be within 800 MHz and 2.80 GHz..."